DELL UltraSharp 30 USB C Hub Monitor U3023E Display diagonal___62.2 cm (24.5") 2331 mm Horizontal scan range 2331 mm Horizontal scan range 30 230 kHz Aspect ratio 4:3 while quantum dot technology and true 10 bit color depth enable over one billion colors for accuracy and smoother gradations 6 W Energy consumption (SDR) per 1000 hours 27 kWh Energy efficiency class (HDR) Not available Energy efficiency class (SDR) F Operational conditions Non operating altitude 0 12192 m Operating altitude 0 5000 m Storage relative humidity (H H) 5 90% Operating relative humidity (H H) 10 80% Storage temperature (T T) 20 60 °C Operating temperature (T T) 0 40 °C Packaging content Quick start guide Yes Cables included AC 1 cm Vertical scan range 56 76 Hz Horizontal scan range 30 113 kHz Pixel density 101